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// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package repo
import (
"context"
"fmt"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/perm"
"code.gitea.io/gitea/models/unit"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/timeutil"
)
// Collaboration represent the relation between an individual and a repository.
type Collaboration struct {
ID int64 `xorm:"pk autoincr"`
RepoID int64 `xorm:"UNIQUE(s) INDEX NOT NULL"`
UserID int64 `xorm:"UNIQUE(s) INDEX NOT NULL"`
Mode perm.AccessMode `xorm:"DEFAULT 2 NOT NULL"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
}
func init() {
db.RegisterModel(new(Collaboration))
}
// Collaborator represents a user with collaboration details.
type Collaborator struct {
*user_model.User
Collaboration *Collaboration
}
// GetCollaborators returns the collaborators for a repository
func GetCollaborators(ctx context.Context, repoID int64, listOptions db.ListOptions) ([]*Collaborator, error) {
collaborations, err := getCollaborations(ctx, repoID, listOptions)
if err != nil {
return nil, fmt.Errorf("getCollaborations: %w", err)
}
collaborators := make([]*Collaborator, 0, len(collaborations))
for _, c := range collaborations {
user, err := user_model.GetUserByIDCtx(ctx, c.UserID)
if err != nil {
if user_model.IsErrUserNotExist(err) {
log.Warn("Inconsistent DB: User: %d is listed as collaborator of %-v but does not exist", c.UserID, repoID)
user = user_model.NewGhostUser()
} else {
return nil, err
}
}
collaborators = append(collaborators, &Collaborator{
User: user,
Collaboration: c,
})
}
return collaborators, nil
}
// CountCollaborators returns total number of collaborators for a repository
func CountCollaborators(repoID int64) (int64, error) {
return db.GetEngine(db.DefaultContext).Where("repo_id = ? ", repoID).Count(&Collaboration{})
}
// GetCollaboration get collaboration for a repository id with a user id
func GetCollaboration(ctx context.Context, repoID, uid int64) (*Collaboration, error) {
collaboration := &Collaboration{
RepoID: repoID,
UserID: uid,
}
has, err := db.GetEngine(ctx).Get(collaboration)
if !has {
collaboration = nil
}
return collaboration, err
}
// IsCollaborator check if a user is a collaborator of a repository
func IsCollaborator(ctx context.Context, repoID, userID int64) (bool, error) {
return db.GetEngine(ctx).Get(&Collaboration{RepoID: repoID, UserID: userID})
}
func getCollaborations(ctx context.Context, repoID int64, listOptions db.ListOptions) ([]*Collaboration, error) {
if listOptions.Page == 0 {
collaborations := make([]*Collaboration, 0, 8)
return collaborations, db.GetEngine(ctx).Find(&collaborations, &Collaboration{RepoID: repoID})
}
e := db.GetEngine(ctx)
e = db.SetEnginePagination(e, &listOptions)
collaborations := make([]*Collaboration, 0, listOptions.PageSize)
return collaborations, e.Find(&collaborations, &Collaboration{RepoID: repoID})
}
// ChangeCollaborationAccessMode sets new access mode for the collaboration.
func ChangeCollaborationAccessModeCtx(ctx context.Context, repo *Repository, uid int64, mode perm.AccessMode) error {
// Discard invalid input
if mode <= perm.AccessModeNone || mode > perm.AccessModeOwner {
return nil
}
e := db.GetEngine(ctx)
collaboration := &Collaboration{
RepoID: repo.ID,
UserID: uid,
}
has, err := e.Get(collaboration)
if err != nil {
return fmt.Errorf("get collaboration: %w", err)
} else if !has {
return nil
}
if collaboration.Mode == mode {
return nil
}
collaboration.Mode = mode
if _, err = e.
ID(collaboration.ID).
Cols("mode").
Update(collaboration); err != nil {
return fmt.Errorf("update collaboration: %w", err)
} else if _, err = e.Exec("UPDATE access SET mode = ? WHERE user_id = ? AND repo_id = ?", mode, uid, repo.ID); err != nil {
return fmt.Errorf("update access table: %w", err)
}
return nil
}
// ChangeCollaborationAccessMode sets new access mode for the collaboration.
func ChangeCollaborationAccessMode(repo *Repository, uid int64, mode perm.AccessMode) error {
ctx, committer, err := db.TxContext(db.DefaultContext)
if err != nil {
return err
}
defer committer.Close()
if err := ChangeCollaborationAccessModeCtx(ctx, repo, uid, mode); err != nil {
return err
}
return committer.Commit()
}
// IsOwnerMemberCollaborator checks if a provided user is the owner, a collaborator or a member of a team in a repository
func IsOwnerMemberCollaborator(repo *Repository, userID int64) (bool, error) {
if repo.OwnerID == userID {
return true, nil
}
teamMember, err := db.GetEngine(db.DefaultContext).Join("INNER", "team_repo", "team_repo.team_id = team_user.team_id").
Join("INNER", "team_unit", "team_unit.team_id = team_user.team_id").
Where("team_repo.repo_id = ?", repo.ID).
And("team_unit.`type` = ?", unit.TypeCode).
And("team_user.uid = ?", userID).Table("team_user").Exist()
if err != nil {
return false, err
}
if teamMember {
return true, nil
}
return db.GetEngine(db.DefaultContext).Get(&Collaboration{RepoID: repo.ID, UserID: userID})
}
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